1%{ 2/*- 3 * Copyright (c) 2010 James Gritton 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28#include <sys/cdefs.h>
| 1%{ 2/*- 3 * Copyright (c) 2010 James Gritton 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28#include <sys/cdefs.h>
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29__FBSDID("$FreeBSD: projects/jailconf/usr.sbin/jail/jailparse.y 214117 2010-10-20 20:42:33Z jamie $");
| 29__FBSDID("$FreeBSD: projects/jailconf/usr.sbin/jail/jailparse.y 223188 2011-06-17 16:06:13Z jamie $");
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30 31#include <stdlib.h> 32#include <string.h> 33 34#include "jailp.h" 35 36#ifdef DEBUG 37#define YYDEBUG 1 38#endif 39%} 40 41%union { 42 struct cfjail *j; 43 struct cfparams *pp; 44 struct cfparam *p; 45 struct cfstrings *ss; 46 struct cfstring *s; 47 char *cs; 48} 49 50%token PLEQ 51%token <cs> STR STR1 VAR VAR1 52 53%type <j> jail 54%type <pp> param_l 55%type <p> param name 56%type <ss> value 57%type <s> string 58 59%% 60 61/* 62 * A config file is a series of jails (containing parameters) and jail-less 63 * parameters which realy belong to a global pseudo-jail. 64 */ 65conf : 66 ; 67 | conf jail 68 ; 69 | conf param ';' 70 { 71 struct cfjail *j; 72 73 j = TAILQ_LAST(&cfjails, cfjails); 74 if (!j || strcmp(j->name, "*")) { 75 j = add_jail(); 76 j->name = estrdup("*"); 77 } 78 TAILQ_INSERT_TAIL(&j->params, $2, tq); 79 } 80 | conf ';' 81 82jail : STR '{' param_l '}' 83 { 84 $$ = add_jail(); 85 $$->name = $1; 86 TAILQ_CONCAT(&$$->params, $3, tq); 87 free($3); 88 } 89 ; 90 91param_l : 92 { 93 $$ = emalloc(sizeof(struct cfparams)); 94 TAILQ_INIT($$); 95 } 96 | param_l param ';' 97 { 98 $$ = $1; 99 TAILQ_INSERT_TAIL($$, $2, tq); 100 } 101 | param_l ';' 102 ; 103 104/* 105 * Parameters have a name and an optional list of value strings, 106 * which may have "+=" or "=" preceeding them. 107 */ 108param : name 109 { 110 $$ = $1; 111 } 112 | name '=' value 113 { 114 $$ = $1;
| 30 31#include <stdlib.h> 32#include <string.h> 33 34#include "jailp.h" 35 36#ifdef DEBUG 37#define YYDEBUG 1 38#endif 39%} 40 41%union { 42 struct cfjail *j; 43 struct cfparams *pp; 44 struct cfparam *p; 45 struct cfstrings *ss; 46 struct cfstring *s; 47 char *cs; 48} 49 50%token PLEQ 51%token <cs> STR STR1 VAR VAR1 52 53%type <j> jail 54%type <pp> param_l 55%type <p> param name 56%type <ss> value 57%type <s> string 58 59%% 60 61/* 62 * A config file is a series of jails (containing parameters) and jail-less 63 * parameters which realy belong to a global pseudo-jail. 64 */ 65conf : 66 ; 67 | conf jail 68 ; 69 | conf param ';' 70 { 71 struct cfjail *j; 72 73 j = TAILQ_LAST(&cfjails, cfjails); 74 if (!j || strcmp(j->name, "*")) { 75 j = add_jail(); 76 j->name = estrdup("*"); 77 } 78 TAILQ_INSERT_TAIL(&j->params, $2, tq); 79 } 80 | conf ';' 81 82jail : STR '{' param_l '}' 83 { 84 $$ = add_jail(); 85 $$->name = $1; 86 TAILQ_CONCAT(&$$->params, $3, tq); 87 free($3); 88 } 89 ; 90 91param_l : 92 { 93 $$ = emalloc(sizeof(struct cfparams)); 94 TAILQ_INIT($$); 95 } 96 | param_l param ';' 97 { 98 $$ = $1; 99 TAILQ_INSERT_TAIL($$, $2, tq); 100 } 101 | param_l ';' 102 ; 103 104/* 105 * Parameters have a name and an optional list of value strings, 106 * which may have "+=" or "=" preceeding them. 107 */ 108param : name 109 { 110 $$ = $1; 111 } 112 | name '=' value 113 { 114 $$ = $1;
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115 STAILQ_CONCAT(&$$->val, $3);
| 115 TAILQ_CONCAT(&$$->val, $3, tq);
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116 free($3); 117 } 118 | name PLEQ value 119 { 120 $$ = $1;
| 116 free($3); 117 } 118 | name PLEQ value 119 { 120 $$ = $1;
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121 STAILQ_CONCAT(&$$->val, $3);
| 121 TAILQ_CONCAT(&$$->val, $3, tq);
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122 $$->flags |= PF_APPEND; 123 free($3); 124 } 125 | name value 126 { 127 $$ = $1;
| 122 $$->flags |= PF_APPEND; 123 free($3); 124 } 125 | name value 126 { 127 $$ = $1;
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128 STAILQ_CONCAT(&$$->val, $2);
| 128 TAILQ_CONCAT(&$$->val, $2, tq);
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129 free($2); 130 } 131 | error 132 { 133 } 134 ; 135 136/* 137 * A parameter has a fixed name. A variable definition looks just like a 138 * parameter except that the name is a variable. 139 */ 140name : STR 141 { 142 $$ = emalloc(sizeof(struct cfparam)); 143 $$->name = $1;
| 129 free($2); 130 } 131 | error 132 { 133 } 134 ; 135 136/* 137 * A parameter has a fixed name. A variable definition looks just like a 138 * parameter except that the name is a variable. 139 */ 140name : STR 141 { 142 $$ = emalloc(sizeof(struct cfparam)); 143 $$->name = $1;
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144 STAILQ_INIT(&$$->val);
| 144 TAILQ_INIT(&$$->val);
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145 $$->flags = 0; 146 } 147 | VAR 148 { 149 $$ = emalloc(sizeof(struct cfparam)); 150 $$->name = $1;
| 145 $$->flags = 0; 146 } 147 | VAR 148 { 149 $$ = emalloc(sizeof(struct cfparam)); 150 $$->name = $1;
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151 STAILQ_INIT(&$$->val);
| 151 TAILQ_INIT(&$$->val);
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152 $$->flags = PF_VAR; 153 } 154 ; 155 156value : string 157 { 158 $$ = emalloc(sizeof(struct cfstrings));
| 152 $$->flags = PF_VAR; 153 } 154 ; 155 156value : string 157 { 158 $$ = emalloc(sizeof(struct cfstrings));
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159 STAILQ_INIT($$); 160 STAILQ_INSERT_TAIL($$, $1, tq);
| 159 TAILQ_INIT($$); 160 TAILQ_INSERT_TAIL($$, $1, tq);
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161 } 162 | value ',' string 163 { 164 $$ = $1;
| 161 } 162 | value ',' string 163 { 164 $$ = $1;
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165 STAILQ_INSERT_TAIL($$, $3, tq);
| 165 TAILQ_INSERT_TAIL($$, $3, tq);
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166 } 167 ; 168 169/* 170 * Strings may be passed in pieces, because of quoting and/or variable 171 * interpolation. Reassemble them into a single string. 172 */ 173string : STR 174 { 175 $$ = emalloc(sizeof(struct cfstring)); 176 $$->s = $1; 177 $$->len = strlen($1); 178 STAILQ_INIT(&$$->vars); 179 } 180 | VAR 181 { 182 struct cfvar *v; 183 184 $$ = emalloc(sizeof(struct cfstring)); 185 $$->s = estrdup(""); 186 $$->len = 0; 187 STAILQ_INIT(&$$->vars); 188 v = emalloc(sizeof(struct cfvar)); 189 v->name = $1; 190 v->pos = 0; 191 STAILQ_INSERT_TAIL(&$$->vars, v, tq); 192 } 193 | string STR1 194 { 195 size_t len1; 196 197 $$ = $1; 198 len1 = strlen($2); 199 $$->s = erealloc($$->s, $$->len + len1 + 1); 200 strcpy($$->s + $$->len, $2); 201 free($2); 202 $$->len += len1; 203 } 204 | string VAR1 205 { 206 struct cfvar *v; 207 208 $$ = $1; 209 v = emalloc(sizeof(struct cfvar)); 210 v->name = $2; 211 v->pos = $$->len; 212 STAILQ_INSERT_TAIL(&$$->vars, v, tq); 213 } 214 ; 215 216%%
| 166 } 167 ; 168 169/* 170 * Strings may be passed in pieces, because of quoting and/or variable 171 * interpolation. Reassemble them into a single string. 172 */ 173string : STR 174 { 175 $$ = emalloc(sizeof(struct cfstring)); 176 $$->s = $1; 177 $$->len = strlen($1); 178 STAILQ_INIT(&$$->vars); 179 } 180 | VAR 181 { 182 struct cfvar *v; 183 184 $$ = emalloc(sizeof(struct cfstring)); 185 $$->s = estrdup(""); 186 $$->len = 0; 187 STAILQ_INIT(&$$->vars); 188 v = emalloc(sizeof(struct cfvar)); 189 v->name = $1; 190 v->pos = 0; 191 STAILQ_INSERT_TAIL(&$$->vars, v, tq); 192 } 193 | string STR1 194 { 195 size_t len1; 196 197 $$ = $1; 198 len1 = strlen($2); 199 $$->s = erealloc($$->s, $$->len + len1 + 1); 200 strcpy($$->s + $$->len, $2); 201 free($2); 202 $$->len += len1; 203 } 204 | string VAR1 205 { 206 struct cfvar *v; 207 208 $$ = $1; 209 v = emalloc(sizeof(struct cfvar)); 210 v->name = $2; 211 v->pos = $$->len; 212 STAILQ_INSERT_TAIL(&$$->vars, v, tq); 213 } 214 ; 215 216%%
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